Spouse: Magdalena Burnet (Married 14-Feb-1844)
Children: Andries Gerrits Kramer, Broer Kramer, Louisa Jacoba Maria Kramer, Fenna Magdalena Kramer, Gijsbrand Jacobus Kramer
Jacob's Heritage
Parents: Gijsbrant (Reijndertszoon) Kramer, Fenna Visser
Siblings: